* {
  box-sizing: border-box;
}
html {
  width: 100%;
  height: 100%;
}
body {
  width: 100%;
  height: 100%;
  overflow: auto;
  margin: 0 auto;
}
#app {
  height: 100%;
  scroll-behavior: smooth;
}
h1, h2, h3, h4, p, ul, li {
  margin: 0;
  padding: 0;
}
a,
a:focus,
a:hover {
  cursor: pointer;
  text-decoration: none;
}
div:focus {
  outline: none;
}
ul, ol, li {
  list-style: none;
}
i {
  font-style: normal;
}
img {
  vertical-align: middle;
} 
button {
  cursor: pointer;
}
button[disabled] {
  cursor: not-allowed;
}


// 拉链按钮类
.aniTxtBtn {
  padding: 5px 8px;
  font-weight: 600;
  font-size: 18px;
  line-height: 1;
  letter-spacing: 4px;
  background: transparent;
  border: none;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 0;
  transition: color 0.3s linear;
  cursor: pointer;
}
.aniTxtBtn:before {
  content: '';
  width: 0;
  height: 2px;
  // background-color: #1630f1;
  background-color: #8aaeee;
  position: absolute;
  left: 0;
  z-index: -1;
  transition: width 0.3s linear;
}
.aniTxtBtn:after {
  content: '';
  width: 100%;
  height: 0;
  // background-color: #1630f1;
  background-color: #8aaeee;
  position: absolute;
  z-index: -1;
  transition: height 0.3s linear;
}
.aniTxtBtn:hover:before {
  width: 100%;
}
.aniTxtBtn:hover:after {
  transition-delay: 0.3s;
  height: 100%;
  border-radius: 8px;
}
.aniTxtBtn:hover {
  color: #fff;
  transition-delay: 0.3s;
}